aboutsummaryrefslogtreecommitdiff
path: root/docs/source
diff options
context:
space:
mode:
authorEven Rouault <even.rouault@spatialys.com>2019-02-23 12:53:52 +0100
committerEven Rouault <even.rouault@spatialys.com>2019-02-23 12:53:52 +0100
commit02849460e7e89a2c8457d6c5fec2cea6b1f17fe1 (patch)
treea9a25fcdfc405c4a72bb229e3cd429e14f593bc6 /docs/source
parentaefbc02bf1fcbf2c75143ac43889664f269484cb (diff)
downloadPROJ-02849460e7e89a2c8457d6c5fec2cea6b1f17fe1.tar.gz
PROJ-02849460e7e89a2c8457d6c5fec2cea6b1f17fe1.zip
Doc: add minimal doumentation for natearth2 projection
Diffstat (limited to 'docs/source')
-rw-r--r--docs/source/operations/projections/index.rst1
-rw-r--r--docs/source/operations/projections/natearth2.rst49
-rw-r--r--docs/source/references.bib10
3 files changed, 60 insertions, 0 deletions
diff --git a/docs/source/operations/projections/index.rst b/docs/source/operations/projections/index.rst
index 63752b8c..1e893e97 100644
--- a/docs/source/operations/projections/index.rst
+++ b/docs/source/operations/projections/index.rst
@@ -89,6 +89,7 @@ Projections map the spherical 3D space to a flat 2D space.
murd2
murd3
natearth
+ natearth2
nell
nell_h
nicol
diff --git a/docs/source/operations/projections/natearth2.rst b/docs/source/operations/projections/natearth2.rst
new file mode 100644
index 00000000..ec33141d
--- /dev/null
+++ b/docs/source/operations/projections/natearth2.rst
@@ -0,0 +1,49 @@
+.. _natearth2:
+
+********************************************************************************
+Natural Earth II
+********************************************************************************
++---------------------+--------------------------------------------------------+
+| **Classification** | Pseudo cylindrical |
++---------------------+--------------------------------------------------------+
+| **Available forms** | Forward and inverse, spherical projection |
++---------------------+--------------------------------------------------------+
+| **Defined area** | Global |
++---------------------+--------------------------------------------------------+
+| **Alias** | natearth2 |
++---------------------+--------------------------------------------------------+
+| **Domain** | 2D |
++---------------------+--------------------------------------------------------+
+| **Input type** | Geodetic coordinates |
++---------------------+--------------------------------------------------------+
+| **Output type** | Projected coordinates |
++---------------------+--------------------------------------------------------+
+
+
+
+.. figure:: ./images/natearth2.png
+ :width: 500 px
+ :align: center
+ :alt: Natural Earth II
+
+ proj-string: ``+proj=natearth2``
+
+The Natural Earth II projection is intended for making world maps. At high
+latitudes, meridians bend steeply toward short pole lines resulting in a map
+with highly rounded corners that resembles an elongated globe
+
+See :cite:`Savric2016`
+
+
+Parameters
+################################################################################
+
+.. note:: All parameters for the projection are optional.
+
+.. include:: ../options/lon_0.rst
+
+.. include:: ../options/R.rst
+
+.. include:: ../options/x_0.rst
+
+.. include:: ../options/y_0.rst
diff --git a/docs/source/references.bib b/docs/source/references.bib
index 9039931a..fe332eab 100644
--- a/docs/source/references.bib
+++ b/docs/source/references.bib
@@ -236,6 +236,16 @@
Year = {1993}
}
+@Article{Savric2016,
+ Title = {The Natural Earth II world map projection},
+ Author = {Bojan Šavrič, Tom Patterson, Bernhard Jenny},
+ Journal = {International Journal of Geographical Information Science},
+ Year = {2016},
+
+ Doi = {10.1080/23729333.2015.1093312},
+ Url = {http://berniejenny.info/pdf/2016_Savric_etal_NaturalEarthII.pdf}
+}
+
@Article{Savric2018,
Author = {B. Šavrič and T. Patterson and B. Jenny},
Title = {The Equal Earth map projection},